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(共29張PPT)
Unit 4
Amazing Plants and Animals
人教版2024版八年級上冊
Section A (Grammar Focus) 語法課
Learning Objectives
1.學生能夠通過觀察和分析 3a 中含形容詞、副詞最高級的例句，深入理解最高級的構成形式及定冠詞 “the” 的搭配規則，明確最高級在描述 “最……” 特征時的語義功能。
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2. 學生能夠掌握并準確運用形容詞、副詞最高級及相關句式完成 3b 填空練習，在具體語境中根據單詞音節數靈活選擇 “- est” 或 “most” 的構成形式，提升最高級運用的準確性和熟練度。
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3. 學生能夠熟練運用最高級及相關結構完成 3c 語篇填空，通過分析銀杏的特征（如年代、外觀、常見度等），將信息轉化為連貫的最高級表達，在小組中交流對銀杏的認知，展示對最高級語法的實際運用能力。
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按要求寫出正確的單詞、詞組或句子。
竹子 (名詞) __________ 2. 流行的 (形容詞) ___________
3. 美德(名詞) __________ 4. 工具(名詞) __________
5. 折疊扇(短語) __________ 6. 實際上 (副詞) __________
7. 幼芽（名詞）__________ 8. 出現（動詞）________
9. 請隨意問我任何問題。 ___________________________
10. 事實上我們吃竹筍。 _______________________
11. 人們使用竹子去制作工具。___________________
12. 竹子在中國油畫中時最流行的主題之一。
________________________________________
bamboo
popular
goodness
tool
folding fan
actually
shoot
appear
Please feel free to ask me any questions.
Bamboo is one of the most popular subjects in Chinese paintings.
People use bamboo to make tools.
Actually we eat bamboo shoots.
回顧復習 Section A Pronunciation——(2a—2e)
Let’s enjoy videos.
Warming up
Can you express these world's records in one sentence
●Mount Everest is the highest mountain on Earth, standing at an elevation of 8848.86 meters.
●The Nile River is the longest river in the world, meandering across the deserts of North Africa for 6650 kilometers.
●The Sahara Desert is the largest hot desert in the world, covering an area of nearly 9 million square kilometers.
●Blue whales are the largest animals on Earth, reaching lengths of over 30 meters and weighing up to 180 tons, gracefully moving through the deep sea.
●The Mariana Trench is the deepest place in the world's oceans, plunging to a depth of 10994 meters and challenging humanity's exploration of extreme environments.
●The Great Wall is the longest man-made structure in the world, spanning
21196 kilometers and bearing thousands of years of history and culture.
Grammar Focus
Read the sentences and notice the words in bold. What are
the ways to form a superlative adjective or adverb
The blue whale is the largest and heaviest animal in the world.
The biggest land animal in the world is the African elephant.
The cheetah runs the fastest among all land animals.
I think the most useful plant in the world is bamboo.
It is perhaps the most interesting plant in the world.
large — largest heavy — heaviest big — biggest fast — fastest
useful — the most useful interesting — the most interesting
Observe the words and find the rules.
3a
形容詞、副詞的最高級用于三個或三個以上的人或事物之間的比較，常用of/in短語來說明比較的范圍。
形容詞最高級前要加定冠詞the，
副詞最高級前的the可省略。
定義
特點
形容詞、副詞的最高級
It is the most popular cinema in the city.
He is the tallest of the three.
He runs (the) fastest.
The moss is the oldest plant in the world.
Qomolangma is the highest mountain in the world.
The cheetah is the fastest animal in the world.
He Pingping is the shortest man in the world.
Zhan Shichai is the tallest man in China.
最高級前要加the.
一、一般在形容詞或
副詞后＋est.
最高級變化規則
He is the nicest person I’ve ever met.
He lives the closest to the school.
This river is the widest in this area.
Tom always is late for school, he is the latest.
The blue whale is the largest animal in the world.
最高級前要加the.
二、以e結尾的形容詞和副詞一般＋-st.
最高級變化規則
He has the reddest hair I’ve ever seen.
She is the thinnest girl in the group.
August is usually the hottest month in this city.
Tom is the fattest boy in the class.
The African elephant is the biggest land animal in the world.
最高級前要加the.
三、以重讀閉音節詞尾只有一個輔音字母時，最高級應雙寫輔音字母，再＋-st.
最高級變化規則
He came the earliest of all students.
She is the happiest girl in the world.
This is the busiest time of the year for me.
This question is the easiest on the test.
The blue whale is the heaviest animal in the world.
最高級前要加the.
四、以輔音字母+y結尾的雙音節詞，變最高級應變y為i再加-est.
最高級變化規則
Sports meeting is the most interesting activity in our school.
Who is the most handsome boy in our class.
The bamboo is the most popular subject in Chinese paintings.
The blue whale is the most beautiful animal in the world.
最高級前要加the.
五、多音節詞和部分雙音節詞，詞前加most變最高級.
最高級變化規則
原級 比較級 最高級
good / well better best
bad / badly worse worst
many / much more most
little less least
far farther farthest
further furthest
形容詞和副詞的比較級和最高級的構成（不規則變化）
最高級不規則變化
最高級不規則變化
最高級
的變化規則
tall--talleat、short--shortest、
fast--fastest 、high--highest
large--largest、late--latest
wide--widest、nice--nicest
big--biggest、fat--fattest
thin--thinnest、red--reddest
一、一般在形容詞或副詞后＋est.
三、以重讀閉音節詞尾只有一個輔音字母時，最高級應雙寫輔音字母，再＋-st.
二、以e結尾的形容詞和副詞一般＋-st.
四、以輔音字母+y結尾的雙音節詞，變最高級應變y為i再加-est.
六、不規則變化.
五、多音節詞和部分雙音節詞，詞前加most變最高級.
easy--easiest、heavy--heaviest
early--earliest
beautiful--most beautiful
popular--most popular
good/wee--best
many/much--most
最高級的常用句型（一）
◆ “主語+ be+ the+形容詞最高級+in/of 短語”意為
“……是……中最……的”。
◆ “主語+實義動詞（+the）+副詞最高級+in/of 短語”意為
“……是……中最……的”。
◆ “主語+be+ one of the+形容詞最高級+可數名詞復數+in/of 短語”意為“……是……中最……的……之一”。
My mother is the busiest one in my family.
The Yangtze River is the longest river in China.
Tom works (the) hardest in Class 3.
Tianjin is one of the biggest cities in China.
最高級的常用句型（二）
◆ “疑問詞+ be+ the+形容詞最高級，甲、乙or丙？”用于三個或三個以上的人或事物之間的比較。
◆ “疑問詞+助動詞+主語+動詞原形（+the)+副詞最高級，甲、乙or丙？”
◆ “主語+be + the+序數詞+形容詞最高級+可數名詞單數+in/of短語”意為“……在…… 中是第幾……的……”。
Who is the tallest, Tom, Kate or Bill
Which city do you like best, Beijing, Shanghai or Guangzhou
The Yellow River is the second longest river in China.
1. Among all animals, I love pandas the best. I think they are _________ (cute) animals in the world.
2. Which do you think is __________________ (beautiful), the rose, the peony, or the lotus flower
3. Look at that butterfly! It has __________________(colourful) wings.
4. Which animal jumps ___________ (high), the lion, the monkey, or the tree frog
5. The elephant birds were ___________ (large) and _________ (heavy) birds ever on earth. Some could stand up to three metres tall and weigh up to 860 kg.
the cutest
the most beautiful
the most colourful
(the) highest
the largest
heaviest
Complete the sentences with the superlative forms of the words in brackets.
3b
1.What is this
—It's ...
2.What do you know about it
3.What do you think of it
—It's ...
4. Do you want to know more about it
...
The ginkgo tree
Complete the passage with the superlative forms of the words in the box.
3c
ancient beautiful common good popular
The ginkgo tree is one of ____________________ living trees on earth. Ginkgo trees first appeared over 200 million years ago. Chinese people love the ginkgo, as it is a symbol of hope and long life. Many Chinese believe that the old ginkgo tree in the Zhongnan Mountains in Shaanxi Province is ___________________. Thousands of tourists come to see it each year, especially in mid-October, as it is _________ time to see it. The ginkgo tree is one of ____________________ trees in streets, parks, and gardens across China. When autumn comes, one of _________________ activities is to take a walk under ginkgo trees. People believe the bright yellow leaves can bring joy to their heart.
the most ancient
the most beautiful
the best
the most common
the most popular
Language points
1. The biggest land animal in the world is the African elephant.
世界上最大的陸地動物是非洲象。
land
n. 陸地；土地
v. 降落；著陸
take off 起飛
on land 在陸地上
by land 經陸路
A piece of land in the middle of the sea is island.海中央的一塊陸地是島嶼。
Did you go there by land or by sea 您是通過陸路還是海路去的？
The plane landed before the storm came.飛機在暴風雨來臨之前降落了。
A butterfly landed on her shoulder.一只蝴蝶落在了她的肩膀上。
African
n. 非洲人 （可數名詞）
復數：Africans
adj. 非洲的;非洲人的
① There are five Africans in our school. 我們學校有五個非洲人。
②African drumming plays a key role in traditional ceremonies.
非洲鼓樂在傳統儀式中發揮著關鍵作用。
Asia 亞洲 Asian 亞洲的；亞洲人
Africa 非洲 African 非洲的；非洲人
Europe 歐洲 European 歐洲的；歐洲人
Language points
2. Some could stand up to three metres tall and weigh up to 860 kg.
有些可以站立到 3 米高，重達 860 公斤。
weigh
v. 有……重；稱重量
weight
n. 重量；分量
常見搭配
weigh about+數詞 重約……
weigh over+數詞 超過……重
weigh up to+數詞 重達……
固定詞組
put on weight 增加體重
lose weight 減重
Language points
up to
1.表示“直到、達到（某一時間、數量、程度等）”
用于時間：She stayed up to midnight working on the project.
她熬夜到午夜做項目。
用于數量/程度：The box can hold up to 20 books. 這個箱子最多能裝20本書。
2.表示“從事、忙于（尤指不好或有趣的事）”
What have you been up to lately 你最近在忙什么？
3.表示“由……決定、取決于”
It's up to you to decide when to start. 什么時候開始由你決定。
自我檢測
按要求寫出正確的單詞、詞組或句子。
陸地 (名詞) __________ 2. 非洲的 (形容詞) ___________
3. 牡丹(名詞) __________ 4. 蓮花(名詞) __________
5. 蝴蝶(名詞) __________ 6. 稱重 (動詞) __________
7. 接近（短語）__________ 8. 相信（動詞）________
9. 陸地最大的動物是非洲象。
___________________________
10. 它可能是世界上最有趣的植物。
_______________________
11. 它能稱重到860千克。___________________
land
African
peony
lotus
butterfly
weigh
up to
believe
The biggest land animal in the world is the African elephant.
It can weigh up to 860 kg.
It is perhaps the most interesting plant in the world
1.Hainan is a very large Island. It is the second _________
island in China. (large)
2.Our teacher is as ______ as before. (busy).
3.He is __________________ among us. (careful)
4.Li Lei jumped far ______ than Jim. (far)
5.The busier he is, the ________ he feels. (happy)
busy
the most careful
farther
happier
largest
I. 用所給單詞的適當形式填空。
3. Lin Sen is _______________________ in the class because he never gets to school on time. （最懶的學生之一）
4. Edison was_________________________in the world. 　(最偉大的發明家之一）
one of the laziest students
one of the greatest inventors
The Yangtze River is________________river in the world. (第三長河）
the third longest
2. The Atlantic is __________________ ocean in the world.
( 第二大洋）
the second biggest
II. 完成句子。
Plan a trip along the Silk Road using the new language.
China is an amazing country. It has the world’s _______ (high) mountain. The Yangtze River is its _______(long). Pandas are the ___________ (famous) of all the animals in our country. The Silk Road is the _______(old) trading road to the world. When we plan a trip, making choices doesn’t mean to choose the _________(good) or the _______________(expensive) one, but the __________ (proper) one.
best
most expensive
most proper
highest
longest
most famous
oldest
III. 用所給單詞的適當形式填空

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